If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

Astronomers used the VLA and MeerKAT radio telescopes to search the Hycean exoplanet K2-18b for alien technosignatures, analyzing millions of signals but finding no confirmed artificial radio transmis ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

What would happen, then, should the first unquestionable indication of alien technology come in the form of a momentary flare, powerful enough to be observed, but too short to question? The ...

Chinese scientists' claims that their "Sky Eye" telescope could have picked up signals from intelligent aliens have been met ...

For the first time, a team of US researchers has used sensors containing highly excited Rydberg atoms to detect signals from ...

M-code is more resistant to jamming, and its encryption makes it more difficult to spoof, a kind of attack that makes ...

In the spring of 1967, a series of unusual sightings began to grip the ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Officials recently sounded the alarm over Russia intercepting communications from European satellites. But this isn’t a new problem. Ever since the initial invasion of Ukraine in 2014, two Russian ...